# Set the fdt address to what came from the GPU, so we can edit it fdt addr ${fdt_addr} # Pull the bootargs that the GPU has edited fdt get value bootargs /chosen bootargs # Set module load addresses setenv xen_loadaddr "0x00200000" setenv kernel_loadaddr "0x00400000" # Add some space to the fdt so we can edit it fdt resize 0x1000 echo Add boot arguments for Xen fdt set /chosen xen,xen-bootargs "console=dtuart dtuart=/soc/serial@7e215040 dom0_mem='@@RPI_DOM0_MEM@@' @@RPI_DEBUG_XEN_ARGS@@" echo Add boot arguments for dom0 setenv dom0_bootargs "console=hvc0 earlyprintk=xen debug root=/dev/mmcblk0p2 rootwait" fdt set /chosen xen,dom0-bootargs \"${dom0_bootargs}\" echo Add a dom0 node to chosen to put Linux boot information in fdt mknode /chosen dom0 echo Set this for the Linux boot command fdt set /chosen/dom0 compatible "xen,linux-zimage", "xen,multiboot-module" # Tell Xen where PCI is fdt set /scb/pcie@7d500000 device_type "pci" echo Delay to allow the MMC card to be ready sleep 1 echo Load Xen into memory fatload mmc 0:1 ${xen_loadaddr} xen echo Load Linux kernel into memory fatload mmc 0:1 ${kernel_loadaddr} Image setenv kernel_size 0x$filesize echo Set the address and size for the Linux kernel so Xen can pick it up fdt set /chosen/dom0 reg <${kernel_loadaddr} ${kernel_size}> # Define the size and address cells fdt set /chosen '#size-cells' <1> fdt set /chosen '#address-cells' <1> # Display the chosen fdt section - can be important for debugging fdt print /chosen echo Boot Xen booti ${xen_loadaddr} - ${fdt_addr}